Home / 56,909.46-85,368.33-21,849.12

Finding the Fourth Proportional to 56,909.46, 85,368.33 and 21,849.12

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Solution

The fourth proportional to 56,909.46, 85,368.33 and 21,849.12 is: 32,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.46 : 85,368.33 = 21,849.12 : x
  2. Step 2: Convert to fraction form
    56,909.46/85,368.33 = 21,849.12/x
  3. Step 3: Cross multiply
    56,909.46x = 85,368.33 × 21,849.12
  4. Step 4: Simplify right side
    56,909.46x = 1,865,222,646.27
  5. Step 5: Solve for x
    x = 1,865,222,646.27/56,909.46
  6. Step 6: Final answer
    x = 32,775.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.